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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.calendarserver.org//changeset/11895">11895</a></dd>
<dt>Author</dt> <dd>sagen@apple.com</dd>
<dt>Date</dt> <dd>2013-11-06 14:20:51 -0800 (Wed, 06 Nov 2013)</dd>
</dl>

<h3>Log Message</h3>
<pre>Checkpoint -- groupByGUID will handle adding the row</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#CalendarServerbranchesuserssagengroupcachertwextwhodelegatespy">CalendarServer/branches/users/sagen/groupcacher/twext/who/delegates.py</a></li>
<li><a href="#CalendarServerbranchesuserssagengroupcachertwextwhogroupspy">CalendarServer/branches/users/sagen/groupcacher/twext/who/groups.py</a></li>
<li><a href="#CalendarServerbranchesuserssagengroupcachertwextwhotesttest_groupspy">CalendarServer/branches/users/sagen/groupcacher/twext/who/test/test_groups.py</a></li>
<li><a href="#CalendarServerbranchesuserssagengroupcachertxdavcommondatastoresqlpy">CalendarServer/branches/users/sagen/groupcacher/txdav/common/datastore/sql.py</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="CalendarServerbranchesuserssagengroupcachertwextwhodelegatespy"></a>
<div class="modfile"><h4>Modified: CalendarServer/branches/users/sagen/groupcacher/twext/who/delegates.py (11894 => 11895)</h4>
<pre class="diff"><span>
<span class="info">--- CalendarServer/branches/users/sagen/groupcacher/twext/who/delegates.py        2013-11-06 22:19:12 UTC (rev 11894)
+++ CalendarServer/branches/users/sagen/groupcacher/twext/who/delegates.py        2013-11-06 22:20:51 UTC (rev 11895)
</span><span class="lines">@@ -47,6 +47,7 @@
</span><span class="cx">     else:
</span><span class="cx">         yield txn.addDelegate(delegator.guid, delegate.guid,
</span><span class="cx">             1 if readWrite else 0, False)
</span><ins>+        
</ins><span class="cx"> 
</span><span class="cx"> def removeDelegate(txn, delegator, delegate, readWrite):
</span><span class="cx">     &quot;&quot;&quot;
</span><span class="lines">@@ -55,6 +56,7 @@
</span><span class="cx">     return txn.removeDelegate(delegator.guid, delegate.guid,
</span><span class="cx">         1 if readWrite else 0, delegate.recordType==RecordType.group)
</span><span class="cx"> 
</span><ins>+
</ins><span class="cx"> @inlineCallbacks
</span><span class="cx"> def delegatesOf(txn, delegator, readWrite):
</span><span class="cx">     &quot;&quot;&quot;
</span><span class="lines">@@ -70,6 +72,7 @@
</span><span class="cx">                 records.append(record)
</span><span class="cx">     returnValue(records)
</span><span class="cx"> 
</span><ins>+
</ins><span class="cx"> @inlineCallbacks
</span><span class="cx"> def delegateFor(txn, delegate, readWrite):
</span><span class="cx">     &quot;&quot;&quot;
</span></span></pre></div>
<a id="CalendarServerbranchesuserssagengroupcachertwextwhogroupspy"></a>
<div class="modfile"><h4>Modified: CalendarServer/branches/users/sagen/groupcacher/twext/who/groups.py (11894 => 11895)</h4>
<pre class="diff"><span>
<span class="info">--- CalendarServer/branches/users/sagen/groupcacher/twext/who/groups.py        2013-11-06 22:19:12 UTC (rev 11894)
+++ CalendarServer/branches/users/sagen/groupcacher/twext/who/groups.py        2013-11-06 22:20:51 UTC (rev 11895)
</span><span class="lines">@@ -92,8 +92,8 @@
</span><span class="cx">     @inlineCallbacks
</span><span class="cx">     def doWork(self):
</span><span class="cx"> 
</span><del>-        # Delete all other work items
-        yield Delete(From=self.table, Where=None).on(self.transaction)
</del><ins>+        # Delete all other work items for this group
+        yield Delete(From=self.table, Where=(self.table.GROUP_GUID == self.groupGUID)).on(self.transaction)
</ins><span class="cx"> 
</span><span class="cx">         groupCacher = getattr(self.transaction, &quot;_groupCacher&quot;, None)
</span><span class="cx">         if groupCacher is not None:
</span><span class="lines">@@ -182,15 +182,8 @@
</span><span class="cx">         for member in members:
</span><span class="cx">             membershipHashContent.update(member.guid)
</span><span class="cx">         membershipHash = membershipHashContent.hexdigest()
</span><del>-        results = (yield txn.groupByGUID(groupGUID))
-        if not results:
-            # Group is not yet in the DB
-            cachedName = &quot;&quot;
-            cachedMembershipHash = &quot;&quot;
-            addGroup = True
-        else:
-            groupID, cachedName, cachedMembershipHash = results[0]
-            addGroup = False
</del><ins>+        groupID, cachedName, cachedMembershipHash = (yield
+            txn.groupByGUID(groupGUID))
</ins><span class="cx"> 
</span><span class="cx">         if cachedMembershipHash != membershipHash:
</span><span class="cx">             membershipChanged = True
</span><span class="lines">@@ -198,11 +191,7 @@
</span><span class="cx">         else:
</span><span class="cx">             membershipChanged = False
</span><span class="cx"> 
</span><del>-        if addGroup:
-            yield txn.addGroup(groupGUID, record.fullNames[0], membershipHash)
-        else:
-            yield txn.updateGroup(groupGUID, record.fullNames[0],
-                membershipHash)
</del><ins>+        yield txn.updateGroup(groupGUID, record.fullNames[0], membershipHash)
</ins><span class="cx"> 
</span><span class="cx">         results = (yield txn.groupByGUID(groupGUID))
</span><span class="cx">         if len(results) == 1:
</span></span></pre></div>
<a id="CalendarServerbranchesuserssagengroupcachertwextwhotesttest_groupspy"></a>
<div class="modfile"><h4>Modified: CalendarServer/branches/users/sagen/groupcacher/twext/who/test/test_groups.py (11894 => 11895)</h4>
<pre class="diff"><span>
<span class="info">--- CalendarServer/branches/users/sagen/groupcacher/twext/who/test/test_groups.py        2013-11-06 22:19:12 UTC (rev 11894)
+++ CalendarServer/branches/users/sagen/groupcacher/twext/who/test/test_groups.py        2013-11-06 22:20:51 UTC (rev 11895)
</span><span class="lines">@@ -23,6 +23,7 @@
</span><span class="cx"> from twext.who.idirectory import RecordType
</span><span class="cx"> from twisted.internet.defer import inlineCallbacks
</span><span class="cx"> from twistedcaldav.test.util import StoreTestCase
</span><ins>+from txdav.common.icommondatastore import NotFoundError
</ins><span class="cx"> 
</span><span class="cx"> class GroupCacherTest(StoreTestCase):
</span><span class="cx"> 
</span><span class="lines">@@ -65,10 +66,10 @@
</span><span class="cx">         guid = &quot;49b350c69611477b94d95516b13856ab&quot;
</span><span class="cx">         yield self.groupCacher.refreshGroup(txn, guid)
</span><span class="cx"> 
</span><del>-        groupID, name, membershipHash = (yield txn.groupByGUID(guid))[0]
</del><ins>+        groupID, name, membershipHash = (yield txn.groupByGUID(guid))
</ins><span class="cx">         self.assertEquals(membershipHash, &quot;e90052eb63d47f32d5b03df0073f7854&quot;)
</span><span class="cx"> 
</span><del>-        groupGUID, name, membershipHash = (yield txn.groupByID(groupID))[0]
</del><ins>+        groupGUID, name, membershipHash = (yield txn.groupByID(groupID))
</ins><span class="cx">         self.assertEquals(groupGUID, guid)
</span><span class="cx">         self.assertEquals(name, &quot;Top Group 1&quot;)
</span><span class="cx">         self.assertEquals(membershipHash, &quot;e90052eb63d47f32d5b03df0073f7854&quot;)
</span><span class="lines">@@ -99,7 +100,7 @@
</span><span class="cx">         # Refresh the group so it's assigned a group_id
</span><span class="cx">         guid = &quot;49b350c69611477b94d95516b13856ab&quot;
</span><span class="cx">         yield self.groupCacher.refreshGroup(txn, guid)
</span><del>-        groupID, name, membershipHash = (yield txn.groupByGUID(guid))[0]
</del><ins>+        groupID, name, membershipHash = (yield txn.groupByGUID(guid))
</ins><span class="cx"> 
</span><span class="cx">         # Remove two members, and add one member
</span><span class="cx">         newSet = set()
</span><span class="lines">@@ -126,6 +127,23 @@
</span><span class="cx">         self.assertEquals(len(records), 0)
</span><span class="cx"> 
</span><span class="cx"> 
</span><ins>+    @inlineCallbacks
+    def test_groupByID(self):
+
+        store = self.storeUnderTest()
+        txn = store.newTransaction()
+
+        # Non-existent groupID
+        self.failUnlessFailure(txn.groupByID(42), NotFoundError)
+
+        guid = &quot;49b350c69611477b94d95516b13856ab&quot;
+        hash = &quot;e90052eb63d47f32d5b03df0073f7854&quot;
+        yield self.groupCacher.refreshGroup(txn, guid)
+        groupID, name, membershipHash = (yield txn.groupByGUID(guid))
+        results = (yield txn.groupByID(groupID))
+        self.assertEquals([guid, &quot;Top Group 1&quot;, hash], results)
+
+
</ins><span class="cx"> testXMLConfig = &quot;&quot;&quot;&lt;?xml version=&quot;1.0&quot; encoding=&quot;utf-8&quot;?&gt;
</span><span class="cx"> 
</span><span class="cx"> &lt;directory realm=&quot;xyzzy&quot;&gt;
</span></span></pre></div>
<a id="CalendarServerbranchesuserssagengroupcachertxdavcommondatastoresqlpy"></a>
<div class="modfile"><h4>Modified: CalendarServer/branches/users/sagen/groupcacher/txdav/common/datastore/sql.py (11894 => 11895)</h4>
<pre class="diff"><span>
<span class="info">--- CalendarServer/branches/users/sagen/groupcacher/txdav/common/datastore/sql.py        2013-11-06 22:19:12 UTC (rev 11894)
+++ CalendarServer/branches/users/sagen/groupcacher/txdav/common/datastore/sql.py        2013-11-06 22:20:51 UTC (rev 11895)
</span><span class="lines">@@ -68,7 +68,7 @@
</span><span class="cx">     HomeChildNameAlreadyExistsError, NoSuchHomeChildError, \
</span><span class="cx">     ObjectResourceNameNotAllowedError, ObjectResourceNameAlreadyExistsError, \
</span><span class="cx">     NoSuchObjectResourceError, AllRetriesFailed, InvalidSubscriptionValues, \
</span><del>-    InvalidIMIPTokenValues, TooManyObjectResourcesError
</del><ins>+    InvalidIMIPTokenValues, TooManyObjectResourcesError, NotFoundError
</ins><span class="cx"> from txdav.common.idirectoryservice import IStoreDirectoryService
</span><span class="cx"> from txdav.common.inotifications import INotificationCollection, \
</span><span class="cx">     INotificationObject
</span><span class="lines">@@ -876,7 +876,8 @@
</span><span class="cx">         gr = schema.GROUPS
</span><span class="cx">         return Insert({gr.NAME: Parameter(&quot;name&quot;),
</span><span class="cx">                        gr.GROUP_GUID: Parameter(&quot;groupGUID&quot;),
</span><del>-                       gr.MEMBERSHIP_HASH: Parameter(&quot;membershipHash&quot;)})
</del><ins>+                       gr.MEMBERSHIP_HASH: Parameter(&quot;membershipHash&quot;)},
+                       Return=gr.GROUP_ID)
</ins><span class="cx"> 
</span><span class="cx"> 
</span><span class="cx">     @classproperty
</span><span class="lines">@@ -926,12 +927,41 @@
</span><span class="cx">             membershipHash=membershipHash)
</span><span class="cx"> 
</span><span class="cx"> 
</span><ins>+    @inlineCallbacks
</ins><span class="cx">     def groupByGUID(self, groupGUID):
</span><del>-        return self._groupByGUID.on(self, groupGUID=groupGUID)
</del><ins>+        results = (yield self._groupByGUID.on(self, groupGUID=groupGUID))
+        if results:
+            returnValue(results[0])
+        else:
+            savepoint = SavepointAction(&quot;groupByGUID&quot;)
+            yield savepoint.acquire(self)
+            try:
+                groupID = (yield self.addGroup(groupGUID, &quot;&quot;, &quot;&quot;))[0][0]
+            except Exception:
+                yield savepoint.rollback(self)
+                results = (yield self._groupByGUID.on(self,
+                    groupGUID=groupGUID))
+                if results:
+                    returnValue(results[0])
+                else:
+                    raise
+            else:
+                yield savepoint.release(self)
+                results = (yield self._groupByGUID.on(self,
+                    groupGUID=groupGUID))
+                if results:
+                    returnValue(results[0])
+                else:
+                    raise
</ins><span class="cx"> 
</span><span class="cx"> 
</span><ins>+    @inlineCallbacks
</ins><span class="cx">     def groupByID(self, groupID):
</span><del>-        return self._groupByID.on(self, groupID=groupID)
</del><ins>+        try:
+            results = (yield self._groupByID.on(self, groupID=groupID))[0]
+            returnValue(results)
+        except IndexError:
+            raise NotFoundError
</ins><span class="cx"> 
</span><span class="cx"> 
</span><span class="cx">     def deleteGroup(self, groupID):
</span></span></pre>
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